FAN7544
Typical Characteristics(Con’t)
120
CT=470pF
Vcc=15V
110
Ta=25°C
100
90
80
70
30
35
40
45
50
55
Rph [kΩ]
Figure 6. Preheating Frequency, CT=470pF
130
CT=1nF
Vcc=15V
120
Ta=25°C
110
100
90
80
70
60
10
15
20
25
30
Rph [kΩ]
Figure 8. Preheating Frequency, CT=1nF
80
CT=470pF
75
Vcc=15V
Ta=25°C
70
65
60
55
50
45
50
60
70
80
90
Rt [kΩ]
Figure 7. Switching Frequency, CT=470pF
100
CT=1nF
90
Vcc=15V
Ta=25°C
80
70
60
50
40
20
25
30
35
40
45
50
Rt [kΩ]
Figure 9. Switching Frequency, CT=1nF
6